/*  VisualBoyAdvance 2
    Copyright (C) 2009-2010  VBA development team

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/


#ifndef BIOSCHIP_H
#define BIOSCHIP_H


#include "common/Types.h"


class BiosChip
{
public:
  BiosChip();

  // use these functions to load the BIOS ROM from a file
  void *lockData();
  void unlockData();

  bool isLoaded();

  u32 read32( u32 address );
  u32 getLast();

  static const u32 SIZE = 0x4000; // 16 KiB

private:
  u32 m_data[SIZE/4];
  bool m_locked;
  bool m_loaded;
  u32 m_lastRead;
};


#endif // BIOSCHIP_H
